Robert Ross may refer to:

Academia

• Robert Ross (entrepreneur) (1918–2011), founder of Ross University
• Robert J. S. Ross (born 1943), American professor of sociology and activist
• Robert S. Ross (born 1954), American professor of political science at Boston College

Military

• Robert Ross (British Army officer) (1766–1814), Anglo-Irish British Army officer
• Robert Ross (British Marines officer) (died 1794), commander in the first European settlement of New South Wales
• Robert Knox Ross (1893–1951), British Army officer

Nobility

• Robert Ross, 5th Lord Ross (1563–1595), Scottish nobleman
• Robert Ross, 9th Lord Ross (died 1648), Scottish nobleman

Politics

• Robert Dalrymple Ross (1827–1887), South Australian politician
• Robert Beatson Ross (1867–1949), New Zealand politician
• Robert Tripp Ross (1903–1981), United States Representative from New York
• Robert Max Ross (1933–2009), Republican activist and candidate in Louisiana
• Robert Ross (Missouri politician) (born 1981), member of the Missouri House of Representatives

Sports

• Ranger Ross (Robert Lee Ross, Jr.; born 1959), American professional wrestler
• Robbie Ross (rugby league) (born 1975), Australian rugby league footballer
• Robbie Ross Jr. (born 1989), American baseball pitcher

Other

• Robert Ross (preacher), Presbyterian preacher
• Robbie Ross (1869–1918), Canadian journalist, art critic, literary executor of Oscar Wilde
• Robert Samuel Ross (1873–1931), Australian socialist journalist, trade unionist, and agitator
• Robert Ross (botanist) (1912–2005), British botanist
• Robert Ross (CEO) (1920–2006), founder and leader of the Muscular Dystrophy Association
• Robert Ross (courtier) (born 1950), Scottish surveyor and courtier
• Black Rob (Robert Ross; 1968–2021), American rapper
• Robert J. Ross (born 1974), foundation president
• Robert Ross (blues singer), American blues vocalist, guitarist

See also

• Bob Ross (disambiguation)
• Bobby Ross (disambiguation)
• Ross (name)